Ngā hua rapu - (( soil conservation ) OR ( soil (conservation OR consultation )))
Ngā kaupapa kua whakahuatia i roto i tō rapu.
Ngā kaupapa kua whakahuatia i roto i tō rapu.
- Soil conservation 86
- Soil erosion 26
- Soils 14
- Water conservation 14
- Land use 11
- Soil management 9
- Sustainable agriculture 7
- Land use, Rural 6
- Soil degradation 6
- Soil fertility 6
- Soil science 6
- Agricultural conservation 5
- Agriculture 5
- Planning 5
- Research 5
- Government policy 4
- Organic fertilizers 4
- Plants 4
- Watershed management 4
- Agricultural ecology 3
- Agricultural engineering 3
- Agricultural systems 3
- Analysis 3
- Classification 3
- Conservation tillage 3
- Environmental aspects 3
- Fertilizers 3
- Handbooks, manuals, etc 3
- Hydraulic engineering 3
- Management 3
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21
Soil management : a world view of conservation and production /
I whakaputaina 1987Ngā marau:Tē mōhiotia -
22
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23
Dictionary of soil and water conversation /
I whakaputaina 1984Ngā marau: “…Soil conservation Dictionaries…”
Pukapuka -
24
Soil conservation and management in the humid tropics /
I whakaputaina 1977Ngā marau: “…Soil conservation Tropics.…”
Pukapuka -
25
Soil and water conservation in semi-arid areas /
I whakaputaina 1987Ngā marau: “…Soil conservation…”
Pukapuka -
26
Soil and water conservation for productivity and environmental protection
I whakaputaina 1980Ngā marau: “…Soil conservation…”
Pukapuka -
27
Soil conservation for small farmers in the humid tropics /
I whakaputaina 1989Ngā marau: “…Soil conservation.…”
Pukapuka -
28
In-service training for soil and water conservation : report of the Workshop in Serdang, Malaysia, 11-15 December, 1989.
I whakaputaina 1989Ngā marau: “…Soil conservation In-service training.…”
Conference Proceeding Pukapuka -
29
Soil conservation and sustainable land use : an economic approach /
I whakaputaina 1993Ngā marau:Pukapuka -
30
Farming systems development and soil conservation /
I whakaputaina 1994Ngā marau: “…Soil conservation.…”
Pukapuka -
31
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32
1986 Soil Conservation Conference, Macquarie University, 16th, 17th July.
Conference Proceeding Pukapuka -
33
Compilation of papers : Soils Workshop for Agronomists, Horticulturalists and Soil Conservationists, 4-5 May, 1988, Alstonville.
I whakaputaina 1988Ngā marau: “…Soil conservation.…”
Conference Proceeding Pukapuka -
34
Elementary soil and water engineering /
I whakaputaina 1971Ngā marau: “…Soil conservation.…”
Pukapuka -
35
Elementary soil and water engineering /
I whakaputaina 1985Ngā marau: “…Soil conservation.…”
Pukapuka -
36
Guidelines for the control of soil degradation.
I whakaputaina 1983Ngā marau: “…Soil conservation.…”
Pukapuka -
37
Vanishing land and water : soil and water conservation in dry lands /
I whakaputaina 1988Ngā marau: “…Soil conservation.…”
Pukapuka -
38
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39
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40
Soilerosion by water : some measures for its control on cultivated lands
I whakaputaina 1965Ngā marau:Pukapuka